linux-kernel - Re: [PATCH] iio: humidity: hdc100x: add HDC1000 and HDC1008 product names

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Date:	Sun, 24 Jul 2016 12:40:40 +0100
From:	Jonathan Cameron <jic23@...nel.org>
To:	Alison Schofield <amsfield22@...il.com>
Cc:	Matt Ranostay <mranostay@...il.com>,
	Hartmut Knaack <knaack.h@....de>,
	Lars-Peter Clausen <lars@...afoo.de>,
	Peter Meerwald-Stadler <pmeerw@...erw.net>,
	"linux-iio@...r.kernel.org" <linux-iio@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] iio: humidity: hdc100x: add HDC1000 and HDC1008 product
 names

On 18/07/16 20:43, Alison Schofield wrote:
> On Sat, May 21, 2016 at 05:27:16PM +0100, Jonathan Cameron wrote:
>> On 20/05/16 18:34, Matt Ranostay wrote:
>>> On Fri, May 20, 2016 at 10:05 AM, Alison Schofield <amsfield22@...il.com> wrote:
>>>> hdc100x supports Texas Instruments HDC1000 and HDC1008 relative
>>>> humidity and temperature sensors. Add these product names to
>>>> Kconfig and to the drivers device id structure to enable finding
>>>> the product by name and using it to add a device.
>>>>
>>>> Signed-off-by: Alison Schofield <amsfield22@...il.com>
>>>> Cc: Daniel Baluta <daniel.baluta@...il.com>
>>>> ---
>>>>  drivers/iio/humidity/Kconfig   | 8 ++++----
>>>>  drivers/iio/humidity/hdc100x.c | 2 ++
>>>>  2 files changed, 6 insertions(+), 4 deletions(-)
>>>>
>>>> diff --git a/drivers/iio/humidity/Kconfig b/drivers/iio/humidity/Kconfig
>>>> index 738a86d..f155386 100644
>>>> --- a/drivers/iio/humidity/Kconfig
>>>> +++ b/drivers/iio/humidity/Kconfig
>>>> @@ -26,11 +26,11 @@ config HDC100X
>>>>         tristate "TI HDC100x relative humidity and temperature sensor"
>>>>         depends on I2C
>>>>         help
>>>> -        Say yes here to build support for the TI HDC100x series of
>>>> -        relative humidity and temperature sensors.
>>>> +         Say yes here to build support for the Texas Instruments
>>>> +         HDC1000 and HDC1008 relative humidity and temperature sensors.
>>>>
>>>> -        To compile this driver as a module, choose M here: the module
>>>> -        will be called hdc100x.
>>>> +         To compile this driver as a module, choose M here: the module
>>>> +         will be called hdc100x.
>>>>
>>>>  config HTU21
>>>>         tristate "Measurement Specialties HTU21 humidity & temperature sensor"
>>>> diff --git a/drivers/iio/humidity/hdc100x.c b/drivers/iio/humidity/hdc100x.c
>>>> index fa47676..0deb874 100644
>>>> --- a/drivers/iio/humidity/hdc100x.c
>>>> +++ b/drivers/iio/humidity/hdc100x.c
>>>> @@ -302,6 +302,8 @@ static int hdc100x_probe(struct i2c_client *client,
>>>>
>>>>  static const struct i2c_device_id hdc100x_id[] = {
>>>>         { "hdc100x", 0 },
>>>> +       { "hdc1000", 0 },
>>>> +       { "hdc1008", 0 },
>>>
>>> Personally I think adding more device ids that don't add any per chip
>>> configuration is just adding clutter.
>>> There is a reason I used "hdc100x" when I wrote the driver :)
>> Hmm. I should have picked up on this in the first place. It's much preferred to
>> go with complete part names.  Avoids any possible issues with devicetrees / ACPI
>> bindings where it's kind of assumed a whole part name will be used.
>>
>> I'd prefer to have them explicitly listed.  We will have to keep the wild card
>> form as well as by now there will be boards using that out there.
>> If it was just internal to the kernel I'd agree with the clutter argument, but
>> it isn't so let us be as explicit in the naming as possible.
>>
>> Jonathan
> 
> Jonathan,
> 
> It seemed like you were going to take this patch, but haven't.
> I can pull the names out of the device_id fields if wanted, but it would
> be nice to at least have them in the Kconfig so one can grep for these names.
> Let me know if it needs a v2.
> 
yes please.
> Thanks,
> alisons
> 
>>>
>>>
>>>>         { }
>>>>  };
>>>>  MODULE_DEVICE_TABLE(i2c, hdc100x_id);
>>>> --
>>>> 2.1.4
>>>>
>>
> --
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